fix: check file content is empty or not

This commit is contained in:
ToruNiina
2019-10-30 16:48:39 +09:00
parent 37769e28f0
commit f98615d0df

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@@ -1949,7 +1949,7 @@ parse(std::istream& is, const std::string& fname = "unknown file")
std::vector<char> letters(static_cast<std::size_t>(fsize)); std::vector<char> letters(static_cast<std::size_t>(fsize));
is.read(letters.data(), fsize); is.read(letters.data(), fsize);
if(letters.back() == '\0') if(!letters.empty() && letters.back() == '\0')
{ {
letters.pop_back(); letters.pop_back();
} }